IMAGE DATA PROCESSING METHOD AND A DEVICE THEREOF, PARTICULARLY FOR COMPRESSING THE CHANGED PORTION OF IMAGE DATA THROUGH A LOSSLESS COMPRESSION METHOD OR LOSS COMPRESSION METHOD

摘要

PURPOSE: An image data processing method and a device thereof are provided to compress only a changed portion of image data through a comparison with previously-generated image data among compression target image data.;CONSTITUTION: A video data processing device(110-1) includes a change portion detection unit(220), a compression method decision unit(230), and an image data processor(240). The change portion detection unit detects an nth changed portion of the changed portions through the comparison with the n-1th image data. The compression method decision unit judges the compression method of the nth changed portion among video processing methods. According to the judgment result, the nth compression changed region is generated through the compression of the nth changed portion.;COPYRIGHT KIPO 2011